<template>
  <el-breadcrumb class="app-breadcrumb" separator="/">
    <transition-group name="breadcrumb">
      <el-breadcrumb-item v-for="(item, index) in levelList" :key="item.path">
        <span v-if="item.redirect === 'noRedirect' || index == levelList.length - 1" class="no-redirect">{{ item.meta.title }}</span>
        <a v-else class="no-redirect" @click.prevent="handleLink(item)">{{ item.meta.title }}</a>
      </el-breadcrumb-item>
    </transition-group>
  </el-breadcrumb>
</template>

<script setup>
import { ref, onBeforeMount, watch } from 'vue'
import { useRoute } from 'vue-router'
import pathToRegexp from 'path-to-regexp'

const route = useRoute()
const levelList = ref(null)

watch(() => route, () => {
  getBreadcrumb()
}, { deep: true })

onBeforeMount(() => {
  getBreadcrumb()
})
const getBreadcrumb = () => {
  // only show routes with meta.title
  let matched = route.matched.filter(
    (item) => item.meta && item.meta.title
  )
  // const first = matched[0]
  // if (!isDashboard(first)) {
  //   matched = [{ path: '/dashboard', meta: { title: 'Dashboard' }}].concat(
  //     matched
  //   )
  // }
  levelList.value = matched.filter(
    (item) => item.meta && item.meta.title && item.meta.breadcrumb !== false
  )
}
// const isDashboard = (r) => {
//   const name = r && r.name
//   if (!name) {
//     return false
//   }
//   return name.trim().toLocaleLowerCase() === 'Dashboard'.toLocaleLowerCase()
// }
const pathCompile = (path) => {
  // To solve this problem https://github.com/PanJiaChen/vue-element-admin/issues/561
  const { params } = route
  var toPath = pathToRegexp.compile(path)
  return toPath(params)
}
const handleLink = (item) => {
  // const { redirect, path } = item
  // if (redirect) {
  //   router.push(redirect)
  //   return
  // }
  // router.push(this.pathCompile(path))
}
</script>

<style lang="scss" scoped>
.app-breadcrumb.el-breadcrumb {
  display: inline-block;
  font-size: 14px;
  line-height: 50px;
  margin-left: 8px;

  .no-redirect {
    color: #97a8be;
    cursor: text;
  }
}
</style>
